1. Tutorial – 2:
DC Circuit Analysis

2. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 2
1 0 0 V
8 Ω
4 Ω
2 Ω
3 Ω 5 Ω
1 0 Ω
8 A
i x
Exercises
[1] For the circuit shown below, apply mesh analysis to determine the
current through the 2 Ω resistor
Ans: 2.79 A

3. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 3
[2] For the circuit shown, apply node voltage analysis to determine vx
+
-
5 A
1 5 0 V
1 0 0 V
2 5 Ω
1 2 . 5 Ω
2 0 Ω
1 0 Ω 1 0 A
v x
+
-
Exercise

4. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 4
[3] Write loop equations & solve for ix
Ans:19.51 A
1 0 A
6 0 V2 4 0 V 3 0 Ω
3 Ω 6 Ω 1 2 Ω
i x
Exercise

5. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 5
[4] In the circuit shown, determine the current through 3Ω branch using
mesh current analysis
Ans: 1.583 A
i a 5 Ω
2 Ω
4 A
6 0 V 6 ia 4 Ω
3 Ω
5 A
Exercise

6. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 6
[5] In the circuit shown, find i2 using nodal analysis
Ans: 0.377 A
V 3
V 1
5 i 2
4 5 Ω
3 0 Ω
2 0 Ω
5 0 Ω
0 .0 2 V 1 1 0 0 V
i 2
0 .2 V 3
Exercise

7. ELE 101 / 102 Dept of E & E Engg, MIT Manipal 6
[5] In the circuit shown, find i2 using nodal analysis
Ans: 0.377 A
V 3
V 1
5 i 2
4 5 Ω
3 0 Ω
2 0 Ω
5 0 Ω
0 .0 2 V 1 1 0 0 V
i 2
0 .2 V 3
Exercise